Native Plants

Rubber Rabbitbrush

Ericameria nauseosa consimilis var. ceruminosa

USDA symbol: ERNAC3

perennial subshrub

Lower 48 states: native

If you’re passionate about native gardening in California, you might want to get acquainted with rubber rabbitbrush (Ericameria nauseosa consimilis var. ceruminosa). This perennial shrub represents one of nature’s perfectly adapted plants, having evolved specifically for California’s unique climate and conditions. Rubber rabbitbrush is a true California native, meaning it ...

Rubber Rabbitbrush may be listed as rare in your area.
Global Conservation Status

Status: S5T2T3 | Secure: At low or no risk of extinction in the area due to an extensive range, abundant populations, and with little to no concern of declines or threats.

Rubber Rabbitbrush: A California Native Worth Knowing

If you’re passionate about native gardening in California, you might want to get acquainted with rubber rabbitbrush (Ericameria nauseosa consimilis var. ceruminosa). This perennial shrub represents one of nature’s perfectly adapted plants, having evolved specifically for California’s unique climate and conditions.

What Makes Rubber Rabbitbrush Special

Rubber rabbitbrush is a true California native, meaning it has spent thousands of years adapting to local conditions. As a perennial shrub, it provides year-round structure to your garden while requiring minimal intervention once established. This multi-stemmed woody plant typically stays under 13-16 feet in height, making it a manageable addition to most landscape designs.

Where You’ll Find It Growing Wild

This particular variety of rubber rabbitbrush calls California home, where it has carved out its own ecological niche. Its native status makes it an excellent choice for gardeners looking to create landscapes that support local ecosystems and wildlife.

  • Species observed
  • No observations

A Word About Conservation

Here’s something important to know: rubber rabbitbrush has a conservation status that suggests it may be somewhat uncommon in its native range. If you’re interested in growing this plant, make sure you source it responsibly from reputable native plant nurseries that propagate their own stock rather than collecting from wild populations.

Why Consider Rubber Rabbitbrush for Your Garden

Native plants like rubber rabbitbrush offer several advantages:

  • Naturally adapted to local climate conditions
  • Typically requires less water once established
  • Supports local wildlife and pollinators
  • Provides authentic regional character to your landscape
  • Generally more resistant to local pests and diseases

Garden Design Considerations

As a shrub, rubber rabbitbrush can serve multiple roles in your landscape design. Use it as a foundation plant, incorporate it into mixed native borders, or let it shine as a specimen plant. Its perennial nature means it’ll provide structure through the seasons, while its California origins make it a natural fit for Mediterranean-style gardens and drought-tolerant landscapes.

Growing Tips and Care

While specific growing requirements for this variety aren’t well-documented, most California native shrubs share some common preferences. They typically appreciate well-draining soil and, once established, prefer infrequent but deep watering that mimics natural rainfall patterns.

When planting any native shrub, consider these general guidelines:

  • Plant in fall when possible, giving roots time to establish before summer heat
  • Choose a location with appropriate drainage
  • Avoid overwatering once established
  • Minimal fertilization is usually best for native plants

The Bottom Line

Rubber rabbitbrush represents the kind of thoughtful plant choice that supports both beautiful gardens and healthy ecosystems. While it may not be the easiest plant to source due to its conservation status, it’s worth seeking out from responsible growers if you’re creating a truly native California landscape. Just remember to buy from nurseries that propagate their own plants rather than wild-collecting, helping ensure this native beauty continues to thrive in its natural habitat.

Whether you’re a seasoned native plant gardener or just beginning to explore California’s botanical treasures, rubber rabbitbrush offers an opportunity to connect your garden directly to the natural heritage of your region.

Ericameria nauseosa consimilis var. ceruminosa is also known as...

Often we refer to plants by their common names. When shopping for plants the scientific name is the best way to positively identify the plant species you desire. But some plants have more than one name! While it doesn't happen often, nurseries might display one name while you're searching for another. Ericameria nauseosa consimilis var. ceruminosa is also known as:

Chrysothamnus nauseosus Britton ssp. ceruminosus Hall & | USDA symbol: CHNAC

Why do some plants have more than one name? Over time plant species may be renamed for a few reasons:

  1. Botanists in different regions named the same plant without knowing it had already been classified.
  2. A species was reclassified after scientific advances in, for example, DNA analysis.
  3. Slight variations within a species are sometimes mistakenly identified as entirely new species.

Classification

Group: Dicot
Kingdom: Plantae - Plants
Subkingdom: Tracheobionta - Vascular plants
Superdivision: Spermatophyta - Seed plants
Division: Magnoliophyta - Flowering plants
Class: Magnoliopsida - Dicotyledons
Subclass: Asteridae
Order: Asterales
Family: Asteraceae Bercht. & J. Presl - Aster family
Genus: Ericameria Nutt. - goldenbush

Species: Ericameria nauseosa (Pall. ex Pursh) G.L. Nesom & Baird - rubber rabbitbrush

Subspecies: Ericameria nauseosa (Pall. ex Pursh) G.L. Nesom & Baird ssp. consimilis (Greene) G.L. Nesom & Baird - rubber rabbitbrush
Variety: Ericameria nauseosa (Pall. ex Pursh) G.L. Nesom & Baird ssp. consimilis (Greene) G.L. Nesom & Baird var. ceruminosa (Durand & Hilg.) G.L. Nesom & Baird - rubber rabbitbrush

Plant data source: USDA, NRCS 2025. The PLANTS Database. https://plants.usda.gov,. 2/25/2025. National Plant Data Team, Greensboro, NC USA